Choosing a Slackware ISO from lists?

I am puzzled by the lists of Slackware ISOs.

Looking at both 32 bit and 64 bit ISOs for two machines.
Quote:

[DIR]slackware-14.2-iso/01-Jul-2016 00:11-

Then there there are Install D1 665MB and Install D2 667MB...
And Quote:

[ ]slackware-14.2-install-dvd.iso

Quote:

[DIR]slackware64-14.2-iso/01-Jul-2016 00:12]

This one above looks like what I want for the 64 bit desktop.